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Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.
Question about colour of stars and planets.
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Weighing Floating Cork: Does Upthrust Affect Weight?
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Period of swing of a rope with two fixed ends
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Kirchhoff's Loop Rule: Example 26.4 Explained
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How to Determine Moment Using the Method of Virtual Displacements?
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Infinite Time Period of Simple Pendulum at Center of Earth
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Why wont my Karate chopping hand pass through the table?
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Are Bullets Really Flying? The Science Behind Projectile Motion
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How to Combine Two Related Formulas into One in Mathematics?
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Brain Teaser: Gun Fired on Moving Train - What Happens?
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Flame in a centrifuge will go oblique?
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Finding the Center of Mass for a Group of Masses
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Relationship Between( Intensity Level and Intensity of Object)
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How to find centre of gravity for a hemisphere shell?
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Experiments that try to contradict theories (but proved them)
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Glass, melting points, and Xmas gift idea
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Can Negative Mass be Plugged into Conservation of Momentum and Energy Equations?
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Why is the Internal Energy of a Gas nCvdT?
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If A Kind Soul Would Be Willing - Reality Check
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Do all waves use the same formula share and the same principles?
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Are only vectors capable of being negative in physics?
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Please explain - total electic field Ec + En within the coils must be zero
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Some help with a personal project would be greatly appreciated
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How does an object float on water?
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Mastering Hair Physics: Tips & Tricks for Smoothly Simulating Hair Movement
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Cloud Chamber Building for 9th Grader: Dry Ice vs. Peltier Cooler
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Is there any rule of solving problems, having some values very small
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Good Introductory Book on Physics?
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What does the slope of a semilog plot indicate?
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Can some one please explain this phenomenon
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The difference between energy and forces
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Is it possible to reach absolute zero and still be affected by gravity?
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Can electromagnets be used to eliminate weight force in levitation?
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Where does the energy go in particle annihilation?
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Basic question about basic concept: proportionality
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Relate Two Vectors to an Angle?
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Why force due to gravity or gravitation cannot be measured.
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Proof like Shell theorem for non-spherical objects?
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Theory of Everything: Can We Find the Answer?
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Can Vibrational Frequencies Weaken Water Bonds to Enhance Electrolysis?
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Why can't this wave travel in vacuum
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How would a person do against 12,000 N?
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Build an Ion Thruster: Research & Tools
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Have the definitions of time and metric meter changed over years?
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Perfect Physics Lab Report: A Student's Guide
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Applications of string theory in communications
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B & E Waves: Symmetrical or Non-Symmetrical?
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Is a Zero Efficiency Machine Possible and Thermodynamically Stable?
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Need help in understanding gravity anomalies
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What Are the Best Free Alternatives to MATLAB for Simulating Equations?
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Can Objects Have Negative Mass and Defy the Speed of Light?
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Problem Solving Physics students vs Non-science students
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A book pressed against a wall, thought analysis.
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How does an oversized evaporator coil affect humidity removal in an A/C system?
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Axisymmetric vs cyclic symmetry boundary conditions
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What exactly happens at Absolute Zero
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How Do Gas Molecules Lose Velocity Upon Colliding with Container Walls?
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What are the Characteristics of Waves between 20 - 200 Hz?
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Calculate Water Pressure & Design Energy Dissipator
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How do we know that millions of neutrinos are passing though us,
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Determining Target Thickness from Area Density
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What is the most effective way to measure flame temperature?
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Understanding of physics is slim to none
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If vector A=10i+49j, and vector B=vector A/2, then does vector
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Why Do Arcs Form in Jacobs Ladders?
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Ruben-Chladni Plate: Combining Two Physics Experiments
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Antimatter time dialation/singularities
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Hypothetical question concerning vectors of steering?
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Understanding Resonance and its Relationship to Frequency and Displacement
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Is antimatter matter going backwards through time?
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How Long is a Piece of String When Measured Infinitely?
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What happens when a black hole evaporates?
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Why do meteors burn up in our atmosphere / why are they moving so fast?
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Vibration analysis of a structure with cyclic symmetry
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Why Don't Gas Particles Get Pulled Towards Earth If Gravity is Constant?
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Max Inclination for Segway: Calculating Force Push and Force Down
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What causes the size of a cavity to change when a metal plate is heated?
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The Mystery of the Mass of a Vacancy
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Grounding/earthing in a simple circuit
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Phase constant explanation needed
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What Are Some Basic Books on Physics for a Newbie in College?
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How to calculate displacement from distance?
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Why Are Wollaston Prisms So Expensive and What Are the Alternatives?
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Measuring a Rod in a Running Train: Why?
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Wind Turbine DIY Project for School - Steel Plate vs Non Magnetic Plate
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Vibrations of a circular membrane
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Plastic Bottle and Aluminum can crusher
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Conversions and transfers of energy
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Compressibility of Ice vs Water: Answers & Explanations
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Creating a Plinko Launcher for My Board: Ensuring the Puck Makes it Up
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Can Neutrinos Escape from a Black Hole and Affect Its Lifespan?
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Why are wet materials transparent?
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How fast would an object have to be moving to
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ZIPLINE PROJECT, make object travel 7.4 meters and back on a horizontal zipline
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Why is tension used for gas and electricity measurements?
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Force vs. Displacement graph question
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How Were Daily and Annual Cycles Explained Before Copernicus?
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WHAT is the reason gravity SHOULD be stronger than maganetism?
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Complete list of physics equations?
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High Potential Batteries: Is Stripping Multiple Electrons the Key?
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